8430018 has 16 divisors (see below), whose sum is σ = 16912800. Its totient is φ = 2801216.

The previous prime is 8430013. The next prime is 8430031. The reversal of 8430018 is 8100348.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8430018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8430013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58 + ... + 4106.

It is an arithmetic number, because the mean of its divisors is an integer number (1057050).

Almost surely, 2^8430018 is an apocalyptic number.

8430018 is an abundant number, since it is smaller than the sum of its proper divisors (8482782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8430018 is a wasteful number, since it uses less digits than its factorization.

8430018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 8430018 is about 2903.4493279546. The cubic root of 8430018 is about 203.5211278263.

The spelling of 8430018 in words is "eight million, four hundred thirty thousand, eighteen".